.live-box {
    width: 100%;
}
.live-box ul {
    width: 1300px;
    overflow: hidden;
}
.live-box ul li {
    float: left;
    position: relative;
    width: 300px;
    height: 300px;
    padding: 0 16px;
    margin: 0 25px 25px 0;
    box-sizing: border-box;
    color: #253746;
    background-color: #FFFFFF;
}
.live-box ul li img {
    width: 300px;
    height: 170px;
    margin-left: -16px;
}
.live-box ul li h2 {
    height: 24px;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    font-size: 18px;
    margin: 10px 0;
}
.live-box ul li .time {
    line-height: 30px;
}
.live-box ul li .link {
    color: #999999;
    margin-top: 5px;
    height: 19px;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}
.live-box ul li .link a {
    color: #2C90FE;
}
.live-box ul li .cont {
    position: absolute;
    top: 0;
    left: 0;
    display: none;
    width: 300px;
    height: 170px;
    color: #FFFFFF;
    padding: 20px;
    overflow: hidden;
    box-sizing: border-box;
    background-color: rgba(51,51,51,.7);
}